GSD-2011-0491
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to "underflow errors."
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2011-0491",
"description": "The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to \"underflow errors.\"",
"id": "GSD-2011-0491"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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"details": "The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to \"underflow errors.\"",
"id": "GSD-2011-0491",
"modified": "2023-12-13T01:19:04.490651Z",
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"value": "The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to \"underflow errors.\""
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"reference_data": [
{
"name": "[or-announce] 20110117 Tor 0.2.1.29 is released (security patches)",
"refsource": "MLIST",
"url": "http://archives.seul.org/or/announce/Jan-2011/msg00000.html"
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{
"name": "https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog",
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"url": "https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog"
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"url": "https://trac.torproject.org/projects/tor/ticket/2324"
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"name": "http://blog.torproject.org/blog/tor-02129-released-security-patches",
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"url": "http://blog.torproject.org/blog/tor-02129-released-security-patches"
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{
"name": "tor-torrealloc-dos(64888)",
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64888"
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"name": "45953",
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],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2011-0491"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to \"underflow errors.\""
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "[or-announce] 20110117 Tor 0.2.1.29 is released (security patches)",
"refsource": "MLIST",
"tags": [
"Patch"
],
"url": "http://archives.seul.org/or/announce/Jan-2011/msg00000.html"
},
{
"name": "https://trac.torproject.org/projects/tor/ticket/2324",
"refsource": "CONFIRM",
"tags": [],
"url": "https://trac.torproject.org/projects/tor/ticket/2324"
},
{
"name": "https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog",
"refsource": "CONFIRM",
"tags": [
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],
"url": "https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog"
},
{
"name": "http://blog.torproject.org/blog/tor-02129-released-security-patches",
"refsource": "CONFIRM",
"tags": [
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"Vendor Advisory"
],
"url": "http://blog.torproject.org/blog/tor-02129-released-security-patches"
},
{
"name": "45953",
"refsource": "BID",
"tags": [],
"url": "http://www.securityfocus.com/bid/45953"
},
{
"name": "tor-torrealloc-dos(64888)",
"refsource": "XF",
"tags": [],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64888"
}
]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2017-08-17T01:33Z",
"publishedDate": "2011-01-19T12:00Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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